Multiple Choice
Which statement about animal cell junctions is not true?
A) Tight junctions are barriers to the passage of molecules between cells.
B) Desmosomes allow cells to adhere firmly to one another.
C) Gap junctions block communication between adjacent cells.
D) Connexons are made of protein.
E) The fibers associated with desmosomes are made of protein.
Correct Answer:
Verified
Correct Answer:
Verified
Q38: Osmosis is a specific form of<br>A) diffusion.<br>B)
Q107: You are monitoring the diffusion of a
Q108: Amino acids enter cells against their concentration
Q109: Which of the following processes does not
Q110: Which of the following statements about channel
Q111: Many cells have a sodium-potassium pump. In
Q113: The sodium-potassium pump (or Na<sup>+</sup>-K<sup>+ </sup>pump)<br>A) is
Q114: Which of the following molecules is the
Q115: In facilitated diffusion, the diffusion rate of
Q116: Cells have the ability to take in